CN112304074A - Feed pellet drying-machine - Google Patents
Feed pellet drying-machine Download PDFInfo
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- CN112304074A CN112304074A CN202011012099.9A CN202011012099A CN112304074A CN 112304074 A CN112304074 A CN 112304074A CN 202011012099 A CN202011012099 A CN 202011012099A CN 112304074 A CN112304074 A CN 112304074A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B17/00—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/004—Nozzle assemblies; Air knives; Air distributors; Blow boxes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/06—Controlling, e.g. regulating, parameters of gas supply
- F26B21/12—Velocity of flow; Quantity of flow, e.g. by varying fan speed, by modifying cross flow area
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/001—Handling, e.g. loading or unloading arrangements
- F26B25/002—Handling, e.g. loading or unloading arrangements for bulk goods
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/005—Treatment of dryer exhaust gases
- F26B25/007—Dust filtering; Exhaust dust filters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/06—Chambers, containers, or receptacles
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/06—Chambers, containers, or receptacles
- F26B25/08—Parts thereof
- F26B25/12—Walls or sides; Doors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B2200/00—Drying processes and machines for solid materials characterised by the specific requirements of the drying good
- F26B2200/08—Granular materials
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention relates to the technical field of feed processing, and particularly discloses a feed pellet dryer; the drying device comprises an air heater and a drying cylinder, wherein a motor is arranged in the center of the circle of the upper surface of the drying cylinder, a cylinder is arranged in the central axis of the inner cavity of the drying cylinder, the end part of an output shaft of the motor is connected with an auger spiral blade extending into the cylinder, the lower end of the auger spiral blade extends into a discharging pipe, a tower type spiral drying pipeline is arranged on the periphery of the cylinder, the tower type spiral drying pipeline is narrow at the top and wide at the bottom, a plurality of exhaust holes are formed in the upper surface of the tower type spiral drying pipeline, and the top end of the tower type spiral; the feed pellet dryer disclosed by the invention is high in drying efficiency, and the damage of feed pellets caused by overlarge movement speed and impact force when the dried feed pellets fall can be prevented through the arranged tower-type spiral drying pipeline, so that the quality of the dried feed pellets is greatly improved, and the market competitiveness of the feed pellets is improved.
Description
Technical Field
The invention relates to the technical field of feed processing, and particularly discloses a feed pellet dryer.
Background
The feed particles are processed by a screw extruder, the water content of the feed particles which are just processed is higher, if the feed particles are not dried, the feed is easy to mildew and agglomerate, and the quality guarantee period and the quality of the feed are seriously influenced. Traditional fodder granule drying-machine only heats the stoving with the surface of fodder granule, can not dry fodder granule completely, leads to drying thoroughly, and drying efficiency is poor. In order to guarantee that the feed particles are dried evenly, improve drying efficiency, current granule drying-machine all can be at the inside agitating unit that sets up of a stoving section of thick bamboo, stir the feed particles through the agitating unit who sets up, thereby improve drying efficiency and guarantee that the granule is dried evenly, but its agitating unit causes the damage of feed particles easily at the stirring in-process, especially after the granule is heated and is desiccated, wholly become crisp, very easily damaged, and lead to the granule quality after the stoving processing relatively poor.
For example, the invention with the patent number of CN111306914A discloses a drying device for feed particles in animal husbandry, which comprises a drying barrel, a driving device and a gear mechanism, wherein the drying barrel comprises a barrel body, a heating coil, an end cover, a first barrel wall and a second barrel wall, and the heating coil is embedded in the inner wall of the barrel body; the first barrel wall and the second barrel wall are respectively positioned at two ends of the barrel body, the end cover is arranged at the lower part of the second barrel wall in an openable and closable manner, the upper part of the second barrel wall is provided with an air outlet, the air outlet is of a mesh structure, and the first barrel wall is of a mesh structure; the driving device comprises a helical blade, a transmission shaft, a first bevel gear, a second bevel gear, a third bevel gear, a fan blade, a motor, a first supporting frame, a second supporting frame and a base; this fodder granule drying device can stir the fodder and also can overturn the fodder simultaneously when the stoving fodder, can be so that stoving in-process fodder granule is heated evenly to drying efficiency obtains very big promotion, but fodder granule drying device damages the fodder granule easily at the stoving in-process, makes the fodder granule quality that obtains after the stoving poor, thereby makes it lose market competition. Consequently, to the above-mentioned not enough of current fodder granule drying device, design the quality that can guarantee the back fodder granule of drying, can greatly improve fodder granule's drying efficiency's fodder granule drying-machine again is a technical problem that remains to solve.
Disclosure of Invention
The invention aims to design a feed pellet dryer which can ensure the quality of dried feed pellets and greatly improve the drying efficiency of the feed pellets aiming at the defects of the existing feed pellet drying device.
The invention is realized by the following technical scheme:
a feed particle dryer comprises an air heater and a drying cylinder, wherein the drying cylinder comprises an upper cylindrical section and a lower circular table section, the lower end of the lower circular table section is connected with a discharging pipe, a socket is formed in the side face of the lower end of the discharging pipe, a baffle plate is arranged in the socket in a pulling mode, a motor is arranged in the circle center of the upper surface of the drying cylinder, a cylinder is arranged in the central axis of the inner cavity of the drying cylinder, the upper end of the cylinder is fixedly connected with the top wall of the drying cylinder, the lower end of the cylinder extends into the connecting position of the discharging pipe and the lower circular table section, the end part of an output shaft of the motor is connected with an auger spiral blade extending into the cylinder, the lower end of the auger spiral blade extends into the discharging pipe, and a rotating support rotatably connected with the auger spiral blade is arranged in;
a tower-type spiral drying pipeline is arranged at the periphery of the cylinder, the tower-type spiral drying pipeline is narrow at the top and wide at the bottom, a plurality of exhaust holes are formed in the upper surface of the upper end of the tower-type spiral drying pipeline, a feed hopper is connected to the top end of the tower-type spiral drying pipeline, the feed hopper penetrates through the upper surface of the drying cylinder and is fixedly arranged, a feed back pipeline is arranged between the upper end of the cylinder and the feed hopper, a bottom discharge hole of the tower-type spiral drying pipeline is arranged in a tangent manner with the inner wall of the upper end of the lower circular table section, a hot air inlet pipe is obliquely connected to the outer side surface of the lower end of the tower-type spiral drying pipeline, an included angle between the hot air inlet pipe and the tower-type spiral drying pipeline at the connection position is 15-30 degrees, the hot air heater is arranged beside the drying cylinder, a hot air discharge, and the gas exhaust port is provided with a gas collecting hood, and the gas collecting hood is provided with an exhaust pipe.
When the feed pellet dryer disclosed by the invention dries the feed pellets which are just granulated, the feed pellets are put into the feed hopper through the lifting conveyor, and the hot air blower is started at the same time, so that the hot air is discharged from the lower end to the upper end of the tower-type spiral drying pipeline through the hot air exhaust pipe and the hot air inlet pipe.
The fodder granule in the feeder hopper rolls down along tower spiral drying duct this moment to receive reverse hot air effect at the in-process that rolls down, can dry the fodder granule. Because tower spiral drying duct is narrow-end-up when setting up sets up under the design, consequently when the fodder granule rolls along tower spiral drying duct, its acceleration that rolls down reduces gradually, receive reverse hot air effect at it simultaneously, its fodder granule is earlier with higher speed, the motion state of afterdeceleration at the in-process that rolls down, thereby greatly prolonged the time that the fodder granule was heated and is dried in tower spiral drying duct, simultaneously because the fodder granule is that it was heated evenly that it was heated to its fodder granule that rolls down, it carries out primary drying to whole fodder granule.
When all fodder granule gathers in the lower round platform section of a stoving section of thick bamboo after drying for the first time, restart motor passes through auger helical blade and upwards transports it along the drum, then gets into the feeder hopper again from the feed back pipeline and continues to carry out the secondary through tower spiral stoving pipeline and dry to make fodder granule dry comprehensively.
In addition, because the motion of fodder granule in tower spiral drying duct is the motion state of accelerating earlier, the speed of motion reduces when the fodder granule is discharged from tower spiral drying duct's bottom discharge gate, and because tower spiral drying duct's bottom discharge gate sets up with the inner wall tangent of lower round platform section, the fodder granule that its roll-off was made the spiral motion that the diameter reduces gradually along lower round platform section inner wall, drop in arranging the material pipe when the speed of motion reduces to minimum, it can prevent that the fodder granule after being dried from causing the damage of fodder granule because of the speed of motion and the too big impact force when dropping, its quality that has greatly improved the fodder granule after drying, improved the market competition of fodder granule.
As a further arrangement of the scheme, a partition plate is arranged on the inner wall of the lower end of the upper cylindrical section, the cylinder and the tower type spiral drying pipeline both penetrate through the partition plate, and a one-way exhaust valve is arranged on the exhaust pipe; its baffle and one-way discharge valve's setting for it gathers earlier when discharging from the exhaust hole in the stoving process and is full of inside the upper end of a stoving section of thick bamboo, thereby makes hot-blast can play heating, heat preservation effect to tower spiral stoving pipeline, drum, improves the inside temperature of whole last cylinder section, and when leading to its internal pressure increase along with inside hot-blast gradual increase, its one-way discharge valve opens, can discharge unnecessary hot-blast, plays the pressure release effect.
As a further arrangement of the scheme, an active carbon filter layer is arranged on the inner wall of the drying cylinder above the tower type spiral drying pipeline; the active carbon filter layer is arranged for filtering hot air exhausted from the exhaust hole and reducing peculiar smell in the hot air exhausted from the exhaust pipe.
As a further arrangement of the above scheme, an insulating layer is arranged on the outer circular surface of the upper cylindrical section of the drying cylinder; the heat insulation layer prevents the heat in the drying cylinder from being dissipated, and plays a role in heat insulation for the tower type spiral drying pipeline.
As a further arrangement of the above scheme, the cylinder and the tower-type spiral drying pipeline are both made of heat-conducting metal materials; can use copper material to make drum, tower spiral stoving pipeline during specific setting to strengthen its heat conductivity, just can make drum, tower spiral stoving pipeline have certain stoving temperature soon starting the air heater, the hot-air that exists in its stoving section of thick bamboo simultaneously also can give drum and tower spiral stoving pipeline with heat transfer fast.
As a further arrangement of the scheme, an air volume adjusting valve is arranged on the hot air exhaust pipe; the air quantity regulating valve can control the flow of hot air discharged into the tower type spiral drying pipeline.
As a further arrangement of the above scheme, a bottom plate is arranged below the drying cylinder, a plurality of support legs are arranged on the lower end surface of the drying cylinder, the support legs are fixedly connected with the upper surface of the bottom plate, and the air heater is also arranged on the upper surface of the bottom plate; the bottom and the support legs of the drying drum play a role in fixing the drying drum, and the stability of the equipment during operation is ensured.
As a further arrangement of the scheme, a drawing handle is arranged on the outer surface of the material baffle plate; the setting of its hand power handle can conveniently be pulled out the striker plate from the socket or insert.
Compared with the prior art, the invention has the beneficial effects that:
1) compared with the prior art, the feed pellet dryer disclosed by the invention has the advantages that the tower-type spiral drying pipeline is arranged, and the reverse hot air action is matched, so that the feed pellets can be in a motion state of firstly accelerating and then decelerating when rolling downwards along the tower-type spiral drying pipeline, and the heating and drying time of the feed pellets in the tower-type spiral drying pipeline is greatly prolonged; meanwhile, the feed rolls down when moving downwards along the tower-type spiral drying pipeline, so that feed particles can be uniformly heated in the process of rolling down; in addition, the cylinder and the auger spiral blade arranged on the dryer can realize secondary drying of feed particles, the water content of the dried feed particles is effectively reduced to a reasonable range, and the whole dryer is high in drying efficiency of the feed particles.
2) The feed particle dryer disclosed by the invention realizes the rolling of feed particles which are firstly accelerated and then decelerated downwards along the tower-type spiral drying pipeline, so that the movement speed of the feed particles is reduced when the feed particles are discharged from the bottom end discharge port of the tower-type spiral drying pipeline, and meanwhile, as the bottom end discharge port of the tower-type spiral drying pipeline is tangentially arranged with the inner wall of the lower round platform section, the feed particles which are rolled down do spiral movement with the diameter gradually reduced along the inner wall of the lower round platform section until the movement speed is reduced to the minimum, the feed particles fall into the discharge pipe, so that the feed particles can be prevented from being damaged due to overlarge movement speed and impact force when the feed particles fall.
3) The invention also has the advantages that through the arrangement of the partition plate and the arrangement of the one-way exhaust valve on the exhaust pipe, the heat preservation effect in the drying cylinder can be realized, so that the temperature of the tower-type spiral drying pipeline and the cylinder is higher in the drying process, and the subsequent drying speed of the feed particles is improved; in addition, the active carbon filter layer that it set up can filter the air in the exhaust hot-blast after drying to greatly reduced the peculiar smell in the exhaust hot-blast, makeed whole stoving process environmental protection more.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of the front view internal plan structure of the present invention;
FIG. 2 is a perspective view of the drying drum of the present invention;
FIG. 3 is a three-dimensional structure view of a tower-type spiral drying duct, a feed hopper and a hot air inlet pipe according to the present invention;
FIG. 4 is a schematic top plan view of FIG. 3 according to the present invention.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the invention and its embodiments and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meanings of these terms in the present invention can be understood by those skilled in the art as appropriate.
Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meanings of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail with reference to the accompanying drawings 1 to 4, in conjunction with the embodiments.
Example 1
Embodiment 1 introduces a feed pellet drying-machine, and its major structure includes an air heater 1 and a drying cylinder 2, is located the below of drying cylinder 2 and is provided with bottom plate 3, and the lower extreme surface of drying cylinder 2 is provided with a plurality of stabilizer blades 4, and its stabilizer blade 4 sets up to three in the form of annular array to with three stabilizer blades 4 and bottom plate 3 upper surface fixed connection, its air heater 1 also sets up the upper surface at bottom plate 4 simultaneously.
A section of thick bamboo 2 of drying in this embodiment 1 includes cylinder section 201 and lower round platform section 202, and the lower extreme of round platform section 202 is connected with row material pipe 5 down, arranges the lower extreme side of material pipe 5 and has seted up the socket, and the pull is provided with a striker plate 6 in the socket to for the convenience of drawing out or inserting from the socket of striker plate 6, still be provided with pull handle 7 at the surface of striker plate 6.
A motor 8 is arranged at the center of the circle of the upper surface of the drying cylinder 2, a cylinder 9 is arranged at the central axis of the inner cavity of the drying cylinder 2, the upper end of the cylinder 9 is fixedly connected with the top wall of the drying cylinder 2, and the lower end of the cylinder 9 extends into the joint of the discharge pipe 5 and the lower round platform section 202. The end part of the output shaft of the motor 8 is connected with an auger screw blade 10 extending into the cylinder 9, the lower end of the auger screw blade 10 extends into the discharge pipe 5, a rotating bracket 11 rotationally connected with the auger screw blade 10 is arranged inside the discharge pipe 5, and the motor 8 drives the auger screw blade 10 to lift feed particles in the lower circular platform section 202 and the discharge pipe 5 to the top end of the cylinder 9.
A tower type spiral drying pipeline 12 is arranged at the periphery of the cylinder 9, and the tower type spiral drying pipeline 12 is narrow at the top and wide at the bottom. A plurality of exhaust holes 121 are arranged on the upper surface of the upper end of the tower-type spiral drying pipeline 12, a feed hopper 13 is connected to the top end of the tower-type spiral drying pipeline 12, and the feed hopper 13 penetrates through the upper surface of the drying cylinder 2 and is fixedly arranged. At the same time, a return duct 14 is provided between the upper end of the cylinder 9 and the feed hopper 13, which return duct can guide the feed particles at the top end of the cylinder 9 into the feed hopper 13. The bottom discharge port of the tower-type spiral drying pipeline 12 is tangent to the inner wall of the upper end of the lower round platform section 202, and when feed particles roll off from the bottom discharge port of the tower-type spiral drying pipeline 12, the feed particles can make spiral motion on the inner wall of the lower round platform section 202.
The outer side surface of the lower end of the tower-type spiral drying pipeline 12 is obliquely connected with a hot air inlet pipe 15, and when the hot air inlet pipe 15 is arranged, the range of an included angle a between the hot air inlet pipe 15 and the tower-type spiral drying pipeline 12 at the joint is arranged at 15-30 degrees, and the arrangement of the range of the included angle can enable the hot air entering from the hot air inlet pipe 15 to move downwards along the tower-type spiral drying pipeline 12. When the hot air blower is arranged, the hot air blower 1 is arranged beside the drying cylinder 2, the hot air blower 1 is connected with a hot air exhaust pipe 16 connected with a hot air inlet pipe 15, and in order to control the flow of hot air fed into the hot air blower 1, an air volume adjusting valve 17 is also arranged on the hot air exhaust pipe 16. Finally, an air outlet 203 is formed in the upper surface of the drying cylinder 2, a gas collecting hood 18 is arranged on the air outlet 203, an exhaust pipe 19 is arranged on the gas collecting hood 18, and moisture is mixed with the blown hot air to be discharged from the exhaust pipe 19 after the hot air dries the feed particles.
Example 2
Example 2 describes a modified feed pellet dryer based on example 1, which is the same as example 1 but not described again, except that:
in this embodiment 2, a partition 20 is further disposed on an inner wall of a lower end of the upper cylindrical section 201, the partition 20 separates the upper cylindrical section 201 from the lower circular truncated cone section 202 in the drying cylinder 2, the drum 9 and the tower-type spiral drying duct 12 are disposed through the partition 20, and the partition 20 is disposed such that hot air exhausted from the exhaust hole 121 is not exhausted from the lower end of the drying cylinder 2. Meanwhile, the exhaust pipe 19 is provided with the one-way exhaust valve 21, and the one-way exhaust valve 21 is arranged, so that the hot air exhausted from the exhaust hole 121 fills the drying cylinder 2 above the whole partition plate 20, and the hot air filled in the drying cylinder 2 can heat and preserve heat, thereby increasing the drying effect. When the internal pressure is increased, the one-way exhaust valve 21 is opened to release the pressure of the drying cylinder 2. In addition, in order to increase the heating and heat preservation effects of hot air in the drying cylinder 2 on the cylinder and the tower-type spiral drying pipeline, the cylinder and the tower-type spiral drying pipeline are both made of heat-conducting metal materials, and particularly, copper can be selected as a manufacturing raw material for the heat-conducting metal materials. And an insulating layer (not shown) is further disposed on an outer circumferential surface of the upper cylindrical section 201 of the drying cylinder 2 in order to prevent heat dissipation.
Finally, because the peculiar smell that its exhaust hot-blast mix with is heavier when the fodder is dried, this embodiment 2 still is provided with an active carbon filter layer 22 at the drying cylinder 2 inner wall that is located tower spiral drying duct 12 top, and the peculiar smell in the hot-blast of exhaust can effectively be reduced to its active carbon filter layer 22 that sets up.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A feed particle dryer comprises an air heater and a drying cylinder and is characterized in that the drying cylinder comprises an upper cylindrical section and a lower circular table section, the lower end of the lower circular table section is connected with a discharging pipe, a socket is formed in the side face of the lower end of the discharging pipe, a baffle plate is arranged in the socket in a pulling mode, a motor is arranged at the center of the circle of the upper surface of the drying cylinder, a cylinder is arranged at the central axis of the inner cavity of the drying cylinder, the upper end of the cylinder is fixedly connected with the top wall of the drying cylinder, the lower end of the cylinder extends into the connecting position of the discharging pipe and the lower circular table section, an auger screw blade extending into the cylinder is connected to the end portion of an output shaft of the motor, the lower end of the auger screw blade extends into the discharging pipe, and a rotating support rotatably connected with the auger screw blade is arranged;
a tower-type spiral drying pipeline is arranged at the periphery of the cylinder, the tower-type spiral drying pipeline is narrow at the top and wide at the bottom, a plurality of exhaust holes are formed in the upper surface of the upper end of the tower-type spiral drying pipeline, a feed hopper is connected to the top end of the tower-type spiral drying pipeline, the feed hopper penetrates through the upper surface of the drying cylinder and is fixedly arranged, a feed back pipeline is arranged between the upper end of the cylinder and the feed hopper, a bottom discharge hole of the tower-type spiral drying pipeline is arranged in a tangent manner with the inner wall of the upper end of the lower circular table section, a hot air inlet pipe is obliquely connected to the outer side surface of the lower end of the tower-type spiral drying pipeline, an included angle between the hot air inlet pipe and the tower-type spiral drying pipeline at the connection position is 15-30 degrees, the hot air heater is arranged beside the drying cylinder, a hot air discharge, and the gas exhaust port is provided with a gas collecting hood, and the gas collecting hood is provided with an exhaust pipe.
2. The feed pellet dryer as claimed in claim 1, wherein a partition is provided on an inner wall of a lower end of the upper cylindrical section, the cylinder and the tower-type spiral drying duct are both disposed through the partition, and the exhaust duct is provided with a one-way exhaust valve.
3. The feed pellet dryer as claimed in claim 2, wherein an activated carbon filter layer is provided on an inner wall of the drying drum above the tower-type spiral drying duct.
4. The feed pellet dryer as claimed in claim 2, wherein an insulating layer is provided on an outer circumferential surface of the upper cylindrical section of the drying drum.
5. The feed pellet dryer as claimed in claim 4, wherein said cylindrical, tower-type spiral drying tunnel is made of a heat conductive metal material.
6. The pellet dryer as claimed in claim 1, wherein said hot air exhaust pipe is provided with an air volume adjusting valve.
7. The feed pellet dryer as claimed in claim 1, wherein a bottom plate is disposed below the drying drum, a plurality of support legs are disposed on a lower surface of the drying drum, the support legs are fixedly connected to an upper surface of the bottom plate, and the air heater is also disposed on the upper surface of the bottom plate.
8. The feed pellet dryer as claimed in claim 1, wherein the outer surface of the striker plate is provided with a pull handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011012099.9A CN112304074A (en) | 2020-09-24 | 2020-09-24 | Feed pellet drying-machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011012099.9A CN112304074A (en) | 2020-09-24 | 2020-09-24 | Feed pellet drying-machine |
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| CN112304074A true CN112304074A (en) | 2021-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011012099.9A Pending CN112304074A (en) | 2020-09-24 | 2020-09-24 | Feed pellet drying-machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114849619A (en) * | 2022-04-13 | 2022-08-05 | 萍乡市康裕新能源科技有限公司 | Gas-solid reactor for preparing molecular sieve |
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| CN114849619B (en) * | 2022-04-13 | 2023-04-28 | 萍乡市康裕新能源科技有限公司 | Gas-solid reactor for preparing molecular sieve |
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